Home / 216,822.48-325,152.90-74,628.06

Finding the Fourth Proportional to 216,822.48, 325,152.90 and 74,628.06

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Solution

The fourth proportional to 216,822.48, 325,152.90 and 74,628.06 is: 111,914.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,822.48 : 325,152.90 = 74,628.06 : x
  2. Step 2: Convert to fraction form
    216,822.48/325,152.90 = 74,628.06/x
  3. Step 3: Cross multiply
    216,822.48x = 325,152.90 × 74,628.06
  4. Step 4: Simplify right side
    216,822.48x = 24,265,530,130.37
  5. Step 5: Solve for x
    x = 24,265,530,130.37/216,822.48
  6. Step 6: Final answer
    x = 111,914.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.